code: def __init__(self, data):
      self.data = data
  
file_path: explainx/lib/models/transformer_default.py
imports: import numpy
  import pandas
  from sklearn.preprocessing import LabelEncoder
  from typing import Dict, List, Union
  from sklearn.impute import SimpleImputer
label_desc: Use image node_id 1 to create a new defaultTransformer object  with example: obj = defaultTransformer(data)